package chapter5;

/**
 * @author lzy
 * @version v1.0
 * Create DateTime: 2019/3/7 9:10
 */
public class TerminationCondition {
    public static void main(String[] args) {
        Book novel = new Book(true);
        novel.checkIn();
        new Book(true);
        System.gc();
    }
}

class B {

}
